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ALEX ONISHI
NPI 1710351622
Ophthalmology in Daly City, CA

Active since November 17, 2015PECOS EnrolledAccepts Medicare Assignment
1850 SULLIVAN AVE STE 540, DALY CITY, CA 94015(650) 755-6900 Get Directions Write a Review

NPPES record last updated: July 28, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 28, 2023, Apr 1, 2019, Nov 17, 2015 (3 updates tracked since 2015).

About Alex Onishi NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEX ONISHI (NPI 1710351622) is an individual ophthalmology provider in Daly City, California, licensed in California (A181374) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2019).

NPPES Registry Identity

NPI1710351622
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameALEX ONISHI
Location Address1850 SULLIVAN AVE STE 540Daly City, CA 94015-2215
Mailing Address1850 Sullivan Ave Ste 540Daly City, CA 94015-2215 · (650) 755-6900
Phone(650) 755-6900
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2019
Enumeration DateNovember 17, 2015
Last NPPES UpdateJuly 28, 20233 updates tracked since enumeration
NPPES CertifiedJuly 28, 2023
✔ NPI 1710351622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · A181374
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
1850 SULLIVAN AVE STE 540, Daly City, CA 94015
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alex Onishi is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628411196
PECOS Enrollment IDI20240212003323
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
162 services159 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
121 services121 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
113 services113 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
105 services89 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
104 services82 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
72 services72 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANH DIEM BUI MD
Ophthalmology
1850 SULLIVAN AVE STE 540
DALY CITY, CA 94015
San Mateo County (650) 755-6900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alex Onishi's NPI number?

The NPI number for Alex Onishi is 1710351622. It was assigned to this individual provider in the NPPES registry on November 17, 2015.

Where is Alex Onishi located?

Alex Onishi practices at 1850 Sullivan Ave Ste 540, Daly City, CA 94015. The listed phone number is (650) 755-6900.

What is Alex Onishi's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Alex Onishi enrolled in Medicare?

Yes. Alex Onishi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alex Onishi accept?

Health plans from Providence Health Plan list Alex Onishi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alex Onishi was last updated on July 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.